oj.uz

Submission #843278

# Submission time Handle Problem Language Result Execution time Memory
843278 2023-09-03T21:20:53 Z Tob Land of the Rainbow Gold (APIO17_rainbow) C++14
38 / 100
 281 ms 307216 KB 
#include "rainbow.h"
#include <bits/stdc++.h>

#define F first
#define S second
#define all(x) x.begin(), x.end()
#define pb push_back

using namespace std;

typedef long long ll;
typedef pair <ll, ll> pii;

const int NN = 2e5 + 7, N = 4e5 + 7;

int n, m, cnt, mnx, mxx, mny, mxy;
int root[N];

map <pii, int> ma;

struct node {
    int l, r, R, E, V;
} t[150*N], I = {0, 0, 0, 0, 0};
vector <pii> wh[NN];

void Init() {
    for (int i = 1; i <= cnt; i++) t[i] = {0, 0, 0, 0, 0};
    cnt = 1;
}

node Merge(node n1, node n2, int x = 0) {
    node ne = I;
    ne.R = n1.R + n2.R;
    ne.E = n1.E + n2.E;
    ne.V = n1.V + n2.V;
    if (x) {
        ne.l = t[x].l;
        ne.r = t[x].r;
    }
    return ne;
}
void Add(int x, int y, int pos, int type, int lo = 0, int hi = N) {
    if (lo == hi) {
        t[x] = t[y];
        if (type == 0) t[x].R++;
        else if (type == 1) t[x].E++;
        else t[x].V++;
        return;
    }
    int mid = (lo + hi) / 2;
    if (pos <= mid) {
        t[x].l = ++cnt;
        t[x].r = t[y].r;
        Add(cnt, t[y].l, pos, type, lo, mid);
    }
    else {
        t[x].l = t[y].l;
        t[x].r = ++cnt;
        Add(cnt, t[y].r, pos, type, mid+1, hi);
    }
    t[x] = Merge(t[t[x].l], t[t[x].r], x);
}
void Add(int x, int pos, int type) {
    int y = ++cnt;
    Add(y, root[x], pos, type);
    root[x] = y;
}

node Query(int x, int a, int b, int lo = 0, int hi = N) {
    if (!x) return I;
    if (b < lo || hi < a) return I;
    if (a <= lo && hi <= b) return t[x];
    int mid = (lo + hi) / 2;
    return Merge(Query(t[x].l, a, b, lo, mid), Query(t[x].r, a, b, mid+1, hi));
}
node Get(int x, int y, int l, int r) {
    node X = I;
    node le = Query(root[x-1], l, r);
    node ri = Query(root[y], l, r);
    X.R = ri.R - le.R;
    X.E = ri.E - le.E;
    X.V = ri.V - le.V;
    return X;
}

void Dod(int x, int y) {
    int X = 2*x+1, Y = 2*y+1;
    
    wh[X].pb({Y, 0});

    wh[X-1].pb({Y, 1});
    wh[X+1].pb({Y, 1});
    wh[X].pb({Y-1, 1});
    wh[X].pb({Y+1, 1});

    wh[X-1].pb({Y+1, 2});
    wh[X+1].pb({Y+1, 2});
    wh[X-1].pb({Y-1, 2});
    wh[X+1].pb({Y-1, 2});
}

void init(int R, int C, int sr, int sc, int M, char *S) {
    Init();
    n = R; m = C;
    int dirx[100], diry[100];
    dirx['N'] = -1; diry['N'] = 0;
    dirx['E'] = 0; diry['E'] = 1;
    dirx['S'] = 1; diry['S'] = 0;
    dirx['W'] = 0; diry['W'] = -1;
    Dod(sc, sr);
    mnx = mxx = sr;
    mny = mxy = sc;
    for (int i = 0; i < M; i++) {
        sr += dirx[S[i]];
        sc += diry[S[i]];
        mnx = min(mnx, sr); mxx = max(mxx, sr);
        mny = min(mny, sc); mxy = max(mxy, sc);
        Dod(sc, sr);
    }
    for (int i = 1; i <= 2*C+2; i++) {
        root[i] = root[i-1];
        sort(all(wh[i]));
        wh[i].erase(unique(all(wh[i])), wh[i].end());
        for (int j = 0; j < wh[i].size(); j++) {
            Add(i, wh[i][j].F, wh[i][j].S);
        }
    }
}

int colour(int ar, int ac, int br, int bc) {
    int C = (ar >= mnx || br <= mxx || ac >= mny || bc <= mxy) ? 1 : 2;
    int x = 2*ac+1, y = 2*bc+1, l = 2*ar+1, r = 2*br+1;
    int nn = br - ar + 1, mm = bc - ac + 1;
    node X = Get(x, y, l, r);
    int R = X.R;
    int E = X.E + 2*nn + 2*mm;
    int V = X.V + 2*nn + 2*mm;
    return E - V + C - R;

    return 0;
}

Compilation message

rainbow.cpp: In function 'void init(int, int, int, int, int, char*)':
rainbow.cpp:114:23: warning: array subscript has type 'char' [-Wchar-subscripts]
  114 |         sr += dirx[S[i]];
      |                       ^
rainbow.cpp:115:23: warning: array subscript has type 'char' [-Wchar-subscripts]
  115 |         sc += diry[S[i]];
      |                       ^
rainbow.cpp:124:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  124 |         for (int j = 0; j < wh[i].size(); j++) {
      |                         ~~^~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8796 KB Output is correct
2 Correct 4 ms 11100 KB Output is correct
3 Correct 3 ms 8796 KB Output is correct
4 Correct 3 ms 8796 KB Output is correct
5 Correct 4 ms 11384 KB Output is correct
6 Correct 1 ms 8796 KB Output is correct
7 Correct 1 ms 8796 KB Output is correct
8 Correct 1 ms 8796 KB Output is correct
9 Correct 2 ms 8824 KB Output is correct
10 Correct 2 ms 8796 KB Output is correct
11 Correct 3 ms 9092 KB Output is correct
12 Correct 4 ms 9052 KB Output is correct
13 Correct 4 ms 11352 KB Output is correct
14 Correct 6 ms 11864 KB Output is correct
15 Correct 1 ms 8796 KB Output is correct
16 Correct 1 ms 8796 KB Output is correct
17 Correct 2 ms 8828 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8796 KB Output is correct
2 Correct 2 ms 8828 KB Output is correct
3 Runtime error 216 ms 307216 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8796 KB Output is correct
2 Runtime error 52 ms 38628 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8796 KB Output is correct
2 Correct 4 ms 11100 KB Output is correct
3 Correct 3 ms 8796 KB Output is correct
4 Correct 3 ms 8796 KB Output is correct
5 Correct 4 ms 11384 KB Output is correct
6 Correct 1 ms 8796 KB Output is correct
7 Correct 1 ms 8796 KB Output is correct
8 Correct 1 ms 8796 KB Output is correct
9 Correct 2 ms 8824 KB Output is correct
10 Correct 2 ms 8796 KB Output is correct
11 Correct 3 ms 9092 KB Output is correct
12 Correct 4 ms 9052 KB Output is correct
13 Correct 4 ms 11352 KB Output is correct
14 Correct 6 ms 11864 KB Output is correct
15 Correct 1 ms 8796 KB Output is correct
16 Correct 1 ms 8796 KB Output is correct
17 Correct 2 ms 8828 KB Output is correct
18 Correct 281 ms 145948 KB Output is correct
19 Correct 99 ms 16980 KB Output is correct
20 Correct 88 ms 12412 KB Output is correct
21 Correct 93 ms 14420 KB Output is correct
22 Correct 101 ms 14420 KB Output is correct
23 Correct 93 ms 16792 KB Output is correct
24 Correct 98 ms 12800 KB Output is correct
25 Correct 96 ms 14752 KB Output is correct
26 Correct 97 ms 14904 KB Output is correct
27 Correct 201 ms 124576 KB Output is correct
28 Correct 147 ms 75604 KB Output is correct
29 Correct 176 ms 117588 KB Output is correct
30 Correct 261 ms 261240 KB Output is correct
31 Correct 4 ms 8796 KB Output is correct
32 Correct 228 ms 124892 KB Output is correct

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8796 KB Output is correct
2 Correct 4 ms 11100 KB Output is correct
3 Correct 3 ms 8796 KB Output is correct
4 Correct 3 ms 8796 KB Output is correct
5 Correct 4 ms 11384 KB Output is correct
6 Correct 1 ms 8796 KB Output is correct
7 Correct 1 ms 8796 KB Output is correct
8 Correct 1 ms 8796 KB Output is correct
9 Correct 2 ms 8824 KB Output is correct
10 Correct 2 ms 8796 KB Output is correct
11 Correct 3 ms 9092 KB Output is correct
12 Correct 4 ms 9052 KB Output is correct
13 Correct 4 ms 11352 KB Output is correct
14 Correct 6 ms 11864 KB Output is correct
15 Correct 1 ms 8796 KB Output is correct
16 Correct 1 ms 8796 KB Output is correct
17 Correct 2 ms 8828 KB Output is correct
18 Correct 281 ms 145948 KB Output is correct
19 Correct 99 ms 16980 KB Output is correct
20 Correct 88 ms 12412 KB Output is correct
21 Correct 93 ms 14420 KB Output is correct
22 Correct 101 ms 14420 KB Output is correct
23 Correct 93 ms 16792 KB Output is correct
24 Correct 98 ms 12800 KB Output is correct
25 Correct 96 ms 14752 KB Output is correct
26 Correct 97 ms 14904 KB Output is correct
27 Correct 201 ms 124576 KB Output is correct
28 Correct 147 ms 75604 KB Output is correct
29 Correct 176 ms 117588 KB Output is correct
30 Correct 261 ms 261240 KB Output is correct
31 Correct 4 ms 8796 KB Output is correct
32 Correct 228 ms 124892 KB Output is correct
33 Runtime error 52 ms 38628 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -